Mineral description : Molybdenite

Picture pending, molybdenite from Bergslagen (Bastnäs, Västerås, Bäckegruvan).

Molybdenite crystal from Svartsång mining field, Persberg, Värmland.

Molybdenite crystal from Bandaksli, Norway.

Mineral class	Sulphides : molybdenite group
Chemical formula	MoS2
Crystal system	Hexagonal
Habitus	Often as flaky aggregates, crystals thin and hexagonal.
Cleavage	Basally. Easy to remove small flakes.
Hardness	1-1.5
Density	4.7
Color	Lead gray to bluish gray.
Streak	Dark gray to black.
Luster	Metallic
Description
Occurance	Occurs in pegmatites and granites.
Associates	Other sulphides.
Notes	Gray streak on paper. Doesn't conduct current as good as graphite.
Locations	A widespread mineral. Commonly in a number of iron and sulphide ore mines in Sweden Riddarhytte mine field. (Bastnäs, bäckegruvan) Yxsjöberg, Bergslagen. Svartsång, Persberg. As crystals. Also common in granites and pegmatites. Alseda, Småland. Bispberg and Skommarbo, Dalarna. Kolsva, Västmanland. As crystals. Aspgruvan, Västerås. Vähävara, Lappland.

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